Fumio Tsutaichi

Title: Fumio Tsutaichi: Innovator in Mobile Communication Technology

Introduction

Fumio Tsutaichi is a notable inventor based in Akishima, Japan. He has made significant contributions to the field of mobile communication technology, holding a total of 2 patents. His innovative designs have enhanced the functionality and usability of portable devices.

Latest Patents

One of Tsutaichi's latest patents is a mounting structure for an electroacoustic transducer. This invention involves a portable telephone where the front side of a back casing is covered with a front casing. A circuit substrate is housed in a housing concave portion of the back casing, and the front side of the circuit substrate is covered with a waterproof type keypad sheet material. The outer edge section of the waterproof type keypad sheet material is fastened between the outer edge section of the back casing and the outer edge section of the front casing. A mounting hole is formed in the waterproof type keypad sheet material, allowing a microphone holder to be inserted. A microphone is mounted in the microphone holder, and a waterproof membrane is affixed on the end face of the microphone holder, blocking a small opening of the microphone holder with the waterproof membrane.

Another significant patent is for a foldable cellular phone. This device features a plastic housing with an operation section and a main display section that are joined by a hinge, allowing them to freely open and close. The design includes an impact-resistant handle composed of elastic material, which is formed on the opposite side end from the hinge of the housing with the main display section. Additionally, a connector cover and a hinge cover, both made of elastic material, are incorporated into the design to enhance durability and functionality.

Career Highlights

Fumio Tsutaichi is currently employed at Casio Hitachi Mobile Communications Co., Ltd. His work has been instrumental in advancing mobile communication technologies, making devices more user-friendly and resilient.

Collaborations

Throughout his career, Tsutaichi has collaborated with notable colleagues, including Eiji Okita and Shinya Yasuda. Their combined expertise has contributed to the successful development of innovative mobile technologies.

Conclusion

Fumio Tsutaichi's contributions to mobile communication technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the design and functionality of portable devices, ensuring a lasting